2387449 - Content filter fails with ERROR => DlLoadLib()==DLENOACCESS

ICM / Web dispatcher content filter does not work

dev_icm trace shows below entries:

[Thr..]HttpISubHandlerAdd: Added handler HttpModHandler(7f1dbc002bd0), slot=5, flags=12293) for /, active: 1, table 7f1dbc000f20
Adding HttpAuthHandler: PREFIX =/, PERMFILE=/usr/sap/<SID>/SYS/global/security/permfile, FILTER=SEC
CsiInit(): Initializing the Content Scan Interface
AMD/Intel x86_64 with Linux (mt,unicode,SAP_CHAR/size_t/void* = 16/64/64)
CsiInit(): CSA_LIB = "(NULL) => use environment variable CSA_LIB"
*** ERROR => DlLoadLib()==DLENOACCESS - dlopen("libsapvsa.so") FAILED
"libsapvsa.so: cannot open shared object file: No such file or directory"  [dlux.c 521]

Web dispatcher, ICM

icm/HTTP/auth_0, FILTER, FILTER=SAP, permfile, content filter , KBA , BC-CST-IC , Internet Communication Manager , BC-SEC , Security - Read KBA 2985997 for subcomponents , BC-CST-WDP , Web Dispatcher , Problem